Monolithic Multi-parameter Terahertz Nano-micro Detector Based on Plasmon Polariton Atomic Cavity
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arXiv
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| Format: | Preprint |
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2024
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| author | Chen, Huanjun Wang, Ximiao Liu, Shaojing Cao, Zhaolong Li, Jinyang Zhu, Hongjia Li, Shangdong Xu, Ningsheng Deng, Shaozhi |
| author_facet | Chen, Huanjun Wang, Ximiao Liu, Shaojing Cao, Zhaolong Li, Jinyang Zhu, Hongjia Li, Shangdong Xu, Ningsheng Deng, Shaozhi |
| contents | Terahertz signals hold significant potential for ultra-wideband communication and high-resolution radar, necessitating miniaturized detectors capable of multi-parameter detection of intensity, frequency, polarization, and phase. Conventional detectors cannot meet these requirements. Here, we propose plasmon polariton atomic cavities (PPAC) made from single-atom-thick graphene, demonstrating the monolithic multifunctional miniaturized detector. With a footprint one-tenth the incident wavelength, the detector offers benchmarking intensity-, frequency-, and polarization-sensitive detection, rapid response, and sub-diffraction spatial resolution, all operating at room temperature across 0.22 to 4.24 THz. We present the monolithic detection applications for free-space THz polarization-coded communication and stealth imaging of physical properties. These results showcase the PPAC's unique ability to achieve strong absorption and weak signal detection with a thickness of only 10^-5 of the excitation wavelength, which is inaccessible with other approaches. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_11655 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Monolithic Multi-parameter Terahertz Nano-micro Detector Based on Plasmon Polariton Atomic Cavity Chen, Huanjun Wang, Ximiao Liu, Shaojing Cao, Zhaolong Li, Jinyang Zhu, Hongjia Li, Shangdong Xu, Ningsheng Deng, Shaozhi Applied Physics Optics Terahertz signals hold significant potential for ultra-wideband communication and high-resolution radar, necessitating miniaturized detectors capable of multi-parameter detection of intensity, frequency, polarization, and phase. Conventional detectors cannot meet these requirements. Here, we propose plasmon polariton atomic cavities (PPAC) made from single-atom-thick graphene, demonstrating the monolithic multifunctional miniaturized detector. With a footprint one-tenth the incident wavelength, the detector offers benchmarking intensity-, frequency-, and polarization-sensitive detection, rapid response, and sub-diffraction spatial resolution, all operating at room temperature across 0.22 to 4.24 THz. We present the monolithic detection applications for free-space THz polarization-coded communication and stealth imaging of physical properties. These results showcase the PPAC's unique ability to achieve strong absorption and weak signal detection with a thickness of only 10^-5 of the excitation wavelength, which is inaccessible with other approaches. |
| title | Monolithic Multi-parameter Terahertz Nano-micro Detector Based on Plasmon Polariton Atomic Cavity |
| topic | Applied Physics Optics |
| url | https://arxiv.org/abs/2406.11655 |